537 questions and answers
Explain the tension zone and compression zone of a beam.
Two separate zones, the tension zone and the compression zone, form in a beam that is bent. Tension Zone: When a beam bends under load, it experiences tensile (or stretching) forces in this area. It usually happens where the beam bends downward at the bottom of the simply supported beam.
What is the function of the neutral axis of a beam?
The neutral axis of a beam is the line in its cross-section that is not stressed by tensile or compressive forces.
What is under-reinforcement of a beam?
Under-reinforcement in a beam happens when there's less steel reinforcement than what's needed for a balanced design.
What is over-reinforcement of a beam?
Over-reinforcement of a beam refers to a design where the amount of steel reinforcement provided exceeds the balanced reinforcement ratio.
What is the difference between under-reinforcement and over-reinforcement sections?
Under-Reinforcement: This occurs when the balanced ratio of steel reinforcement is not used. This is an example of ductile failure, where the steel gives way before the concrete
What is the definition of a simply supported beam?
A simply supported beam is a beam that’s supported at both ends, letting it span freely between those points. It can move and rotate at the ends without any restrictions, which means it can flex under load.
What is the definition of a cantilever beam?
A cantilever beam is a type of beam that is secured at one end while the other end extends out into space. This design allows it to carry loads applied to the free end without needing additional support below
What is the definition of a overhanging beam?
An overhanging beam is a beam that extends beyond its support at one or both ends. Unlike a regular beam that's fully supported, an overhanging beam has parts that stick out past where it’s held up.
What is the compression and tension zone of a cantilever beam and what are the significant of this?
The primary areas of a cantilever beam that bend when a load is applied are the compression and tension zones: The compression zone is located in the lower portion of the beam.
What is flange beam?
A flange beam is a type of beam that has wide extensions, called flanges, at the top and bottom. These flanges help the beam handle bending and shear forces much better.
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